diff --git a/src/lib.rs b/src/lib.rs
index 2a8ab53..dca2d3c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,6 @@ use paste::paste;
 use proc_macro::TokenStream;
 use quote::quote;
 use syn::parse::{Parse, ParseStream, Result};
-use syn::punctuated::Punctuated;
 use syn::{Expr, Ident, Token, parse_macro_input};
 
 macro_rules! generate_headings {